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text data bss dec hex filename
1021739 559 5052 1027350 fad16 busybox_old
1021732 559 5052 1027343 fad0f busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
decode_base64 173 178 +5
read_base64 222 220 -2
decode_base32 186 182 -4
handle_incoming_and_exit 2263 2239 -24
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(add/remove: 0/0 grow/shrink: 1/3 up/down: 5/-30) Total: -25 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bb_uuenc_tbl_base64 66 65 -1
bb_uuenc_tbl_base32 34 32 -2
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
decode_base64 178 173 -5
decode_base32 217 186 -31
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(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-36) Total: -36 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
decode_base64 180 178 -2
decode_base32 224 217 -7
read_base64 236 222 -14
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(add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-23) Total: -23 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
decode_base32 275 224 -51
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
decode_base64 195 180 -15
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
baseNUM_main - 568 +568
decode_base32 - 275 +275
bb_uuenc_tbl_base32 - 34 +34
read_base64 218 236 +18
applet_names 2732 2739 +7
applet_main 1580 1584 +4
packed_usage 33480 33478 -2
base64_main 208 - -208
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(add/remove: 3/1 grow/shrink: 3/1 up/down: 906/-210) Total: 696 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Back in 2007, commit 0c97c9d43707 ("'simple' error message functions by
Loic Grenie") introduced bb_simple_perror_msg() to allow for a lower
overhead call to bb_perror_msg() when only a string was being printed
with no parameters. This saves space for some CPU architectures because
it avoids the overhead of a call to a variadic function. However there
has never been a simple version of bb_error_msg(), and since 2007 many
new calls to bb_perror_msg() have been added that only take a single
parameter and so could have been using bb_simple_perror_message().
This changeset introduces 'simple' versions of bb_info_msg(),
bb_error_msg(), bb_error_msg_and_die(), bb_herror_msg() and
bb_herror_msg_and_die(), and replaces all calls that only take a
single parameter, or use something like ("%s", arg), with calls to the
corresponding 'simple' version.
Since it is likely that single parameter calls to the variadic functions
may be accidentally reintroduced in the future a new debugging config
option WARN_SIMPLE_MSG has been introduced. This uses some macro magic
which will cause any such calls to generate a warning, but this is
turned off by default to avoid use of the unpleasant macros in normal
circumstances.
This is a large changeset due to the number of calls that have been
replaced. The only files that contain changes other than simple
substitution of function calls are libbb.h, libbb/herror_msg.c,
libbb/verror_msg.c and libbb/xfuncs_printf.c. In miscutils/devfsd.c,
networking/udhcp/common.h and util-linux/mdev.c additonal macros have
been added for logging so that single parameter and multiple parameter
logging variants exist.
The amount of space saved varies considerably by architecture, and was
found to be as follows (for 'defconfig' using GCC 7.4):
Arm: -92 bytes
MIPS: -52 bytes
PPC: -1836 bytes
x86_64: -938 bytes
Note that for the MIPS architecture only an exception had to be made
disabling the 'simple' calls for 'udhcp' (in networking/udhcp/common.h)
because it made these files larger on MIPS.
Signed-off-by: James Byrne <james.byrne@origamienergy.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bb_uuenc_tbl_base64 67 66 -1
decode_base64 182 161 -21
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
decode_base64 - 182 +182
read_base64 378 255 -123
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(add/remove: 1/0 grow/shrink: 0/1 up/down: 182/-123) Total: 59 bytes
Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
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This change retains "or later" state! No licensing _changes_ here,
only form is adjusted (article, space between "GPL" and "v2" and so on).
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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text data bss dec hex filename
808035 611 6868 815514 c719a busybox_old
804472 611 6868 811951 c63af busybox_unstripped
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trylink: explain how to modify link and drastically decrease amount
of padding (unfortunately, needs hand editing ATM).
*: add ALIGN1 / ALIGN2 to global strings and arrays of bytes and shorts
size saving: 0.5k
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(fixes testsuite failure)
bb_uuencode 154 160 +6
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(add/remove: 0/0 grow/shrink: 1/0 up/down: 6/0) Total: 6 bytes
text data bss dec hex filename
770284 1096 11228 782608 bf110 busybox_old
770288 1096 11228 782612 bf114 busybox_unstripped
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function old new delta
uuencode_main 427 337 -90
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(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-90) Total: -90 bytes
text data bss dec hex filename
734981 3028 14400 752409 b7b19 busybox_old
734889 3028 14400 752317 b7abd busybox_unstripped
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